diff --git a/trustgraph-flow/trustgraph/flow/service/service.py b/trustgraph-flow/trustgraph/flow/service/service.py
index 74077ccb..3dacf47d 100644
--- a/trustgraph-flow/trustgraph/flow/service/service.py
+++ b/trustgraph-flow/trustgraph/flow/service/service.py
@@ -5,6 +5,7 @@ by coordinating with the config service via pub/sub.
 """
 
 import logging
+import uuid
 
 from trustgraph.schema import Error
 
@@ -83,9 +84,17 @@ class Processor(AsyncProcessor):
             processor=self.id, flow=None, name="config-response",
         )
 
+        # Unique subscription suffix per process instance.  Pulsar's
+        # exclusive subscriptions reject a second consumer on the same
+        # (topic, subscription-name) — so a deterministic name here
+        # collides with its own ghost when the supervisor restarts the
+        # process before Pulsar has timed out the previous session
+        # (ConsumerBusy).  Matches the uuid convention used elsewhere
+        # (gateway/config/receiver.py, AsyncProcessor._create_config_client).
+        config_rr_id = str(uuid.uuid4())
         self.config_client = ConfigClient(
             backend=self.pubsub,
-            subscription=f"{self.id}--config--{id}",
+            subscription=f"{self.id}--config--{config_rr_id}",
             consumer_name=self.id,
             request_topic=config_request_queue,
             request_schema=ConfigRequest,